[clang] [clang-tools-extra] [lldb] [llvm] [Allocator] Drop RedZoneSize (non-sanitizer) and BytesAllocated members (PR #205711)

Sat Jun 27 20:38:47 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-asan` running on `sanitizer-buildbot7` while building `clang-tools-extra,clang,lldb,llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/24/builds/21534

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
-- Testing: 99213 of 99852 tests, 72 workers --
Testing:  0.. 10.. 20
FAIL: Clang-Unit :: ./AllClangUnitTests/49/101 (24920 of 99213)
******************** TEST 'Clang-Unit :: ./AllClangUnitTests/49/101' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/tools/clang/unittests/./AllClangUnitTests-Clang-Unit-1757166-49-101.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=101 GTEST_SHARD_INDEX=49 /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/tools/clang/unittests/./AllClangUnitTests
--

Script:
--
/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/tools/clang/unittests/./AllClangUnitTests --gtest_filter=PPMemoryAllocationsTest.PPMacroDefinesAllocations
--
Preprocessor allocator memory for 1000000 #define: 136839168
Bytes per #define: 1.368392e+02
/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/clang/unittests/Lex/PPMemoryAllocationsTest.cpp:92: Failure
Expected: (BytesPerDefine) < (130.0f), actual: 136.839172 vs 130

/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/clang/unittests/Lex/PPMemoryAllocationsTest.cpp:92
Expected: (BytesPerDefine) < (130.0f), actual: 136.839172 vs 130

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests:
--------------------------------------------------------------------------
136.38s: Clang :: Preprocessor/riscv-target-features.c
127.38s: Clang :: Driver/arm-cortex-cpus-1.c
125.74s: Clang :: Driver/arm-cortex-cpus-2.c
109.57s: Clang :: OpenMP/target_update_codegen.cpp
103.81s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
103.71s: Clang :: Preprocessor/aarch64-target-features.c
102.55s: Clang :: Preprocessor/arm-target-features.c
101.33s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
87.93s: Clang :: Driver/linux-ld.c
86.99s: Clang :: Preprocessor/predefined-arch-macros.c
86.27s: LLVM :: CodeGen/RISCV/attributes.ll
84.27s: LLVM :: tools/llvm-exegesis/AArch64/all-opcodes.test
83.50s: Clang :: Driver/fsanitize.c
Step 11 (stage2/asan check) failure: stage2/asan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
-- Testing: 99213 of 99852 tests, 72 workers --
Testing:  0.. 10.. 20
FAIL: Clang-Unit :: ./AllClangUnitTests/49/101 (24920 of 99213)
******************** TEST 'Clang-Unit :: ./AllClangUnitTests/49/101' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/tools/clang/unittests/./AllClangUnitTests-Clang-Unit-1757166-49-101.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=101 GTEST_SHARD_INDEX=49 /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/tools/clang/unittests/./AllClangUnitTests
--

Script:
--
/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/tools/clang/unittests/./AllClangUnitTests --gtest_filter=PPMemoryAllocationsTest.PPMacroDefinesAllocations
--
Preprocessor allocator memory for 1000000 #define: 136839168
Bytes per #define: 1.368392e+02
/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/clang/unittests/Lex/PPMemoryAllocationsTest.cpp:92: Failure
Expected: (BytesPerDefine) < (130.0f), actual: 136.839172 vs 130

/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/clang/unittests/Lex/PPMemoryAllocationsTest.cpp:92
Expected: (BytesPerDefine) < (130.0f), actual: 136.839172 vs 130

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests:
--------------------------------------------------------------------------
136.38s: Clang :: Preprocessor/riscv-target-features.c
127.38s: Clang :: Driver/arm-cortex-cpus-1.c
125.74s: Clang :: Driver/arm-cortex-cpus-2.c
109.57s: Clang :: OpenMP/target_update_codegen.cpp
103.81s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
103.71s: Clang :: Preprocessor/aarch64-target-features.c
102.55s: Clang :: Preprocessor/arm-target-features.c
101.33s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
87.93s: Clang :: Driver/linux-ld.c
86.99s: Clang :: Preprocessor/predefined-arch-macros.c
86.27s: LLVM :: CodeGen/RISCV/attributes.ll
84.27s: LLVM :: tools/llvm-exegesis/AArch64/all-opcodes.test
83.50s: Clang :: Driver/fsanitize.c

```

</details>

https://github.com/llvm/llvm-project/pull/205711